HAR Viewer

Inspect HAR network exports with fast request filtering.

Previewers

HAR Viewer Overview

Use HAR Viewer when your workflow depends on har, network export, and requests and fast browser execution.

Inspect HAR network exports with fast request filtering. It works best when you want human-readable previews that reduce review mistakes.

Typical input includes raw payloads, configs, or formatted datasets, while the output is optimized for teams handling har, network export, and requests.

Primary Use Cases

  • Use HAR Viewer to speed up har checks without switching tabs or external apps.
  • Apply HAR Viewer in QA and support workflows when consistent network export output is required.
  • Choose HAR Viewer for repeatable operations where requests accuracy matters before handoff.
  • HAR Viewer is a strong fit when your team needs to preview structured content safely before delivery.

How to Use HAR Viewer

  1. Open Toolboard from your Chrome toolbar and choose HAR Viewer.
  2. Prepare your source input and use HAR Viewer to preview structured content safely and clearly.
  3. Validate the result, then continue with related Toolboard tools if your workflow needs additional steps.

Input and Output Profile

  • Category: Previewers
  • Tags: preview, har, network, http
  • Keywords: har, network export, requests, waterfall
  • Module: previewers/harViewer.js

Permissions and Privacy

Permissions used by HAR Viewer: activeTab. These permissions are scoped to tool execution and follow Toolboard's privacy-first model.

Related Tools in Previewers

  • HAR Diff Analyzer - Compare two HAR files and highlight request/path-level differences.
  • CSV/TSV Previewer - Preview CSV/TSV tables with auto delimiter detect, sort, and filter.
  • Diff Viewer - Side-by-side diff for text, JSON and XML content.
  • HTML Viewer - Load HTML from URL/file, sanitize and render in multiple modes.

FAQ

What does HAR Viewer do in Toolboard?

HAR Viewer is designed to preview structured content safely before delivery. Inspect HAR network exports with fast request filtering. It belongs to the Previewers category in Toolboard.

When should I use HAR Viewer instead of another tool?

Use HAR Viewer when your primary task is har. For broader workflows, combine it with related Toolboard tools listed on this page.

Does HAR Viewer store my data?

HAR Viewer follows Toolboard's local-first behavior. Permissions used by HAR Viewer: activeTab. These permissions are scoped to tool execution and follow Toolboard's privacy-first model.

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